Closed Bug 1171351 Opened 6 years ago Closed 6 years ago

[FFOS_2.2]There are 5 seconds black LCD display after boot animation


(Firefox OS Graveyard :: Gaia::System, defect)

Gonk (Firefox OS)
Not set


(Not tracked)



(Reporter: chen.cong, Assigned: sotaro)



(5 files)

User Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11

Steps to reproduce:

1、 Used the tag code "AU_LINUX_GECKO_LF.BR." as the baseline code.
2、 Power on the phone.

Actual results:

There are 5 seconds black LCD display between the boot time from boot animation to init logo display.

Expected results:

There is on black LCD display during the boot time.
There is one video about the boot.(Attached files --
Flags: needinfo?(ryang)
Hi shawn & Rachelle,

We find that this bug is relation with this commit
"commit 76bb3284b471187d8be5c618326546cd090ed2f2
Author: Sotaro Ikeda <>
Date:   Tue May 12 06:32:00 2015 -0400

    Bug 1163681 - Fix fence handling. r=mwu, a=jocheng

 widget/gonk/libdisplay/GonkDisplayJB.cpp |   16 ++++++++++++----
 widget/gonk/libdisplay/GonkDisplayJB.h   |    1 -
 2 files changed, 12 insertions(+), 5 deletions(-)".
If we rollback the code of this commit, the black LCD issue can fix. But also the boot animation is  incoherent.
Hi Shawn, 

Would you please find someone to check this ?
Thank you !
Flags: needinfo?(ryang) → needinfo?(sku)
I take a look.
Assignee: nobody → sotaro.ikeda.g
From the investigation, Bug 1163681 seems not related. But 1156141 fixed the problem on v2.2 flame.
(In reply to Sotaro Ikeda [:sotaro] from comment #10)
> From the investigation, Bug 1163681 seems not related. But 1156141 fixed the
> problem on v2.2 flame.

Bug 1156141
blocking-b2g: --- → 2.2?
Depends on: 1156141
Set this bug as dup of bug 1156141 based on Comment 10. If it does not fix the problem, please reopen this bug.
blocking-b2g: 2.2? → ---
No longer depends on: 1156141
Closed: 6 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1156141
Hi Sotaro,

Yes, I merge the patch of bug 115614. It is fixed.
Thank you very much!
Flags: needinfo?(chenghuk)
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